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FI64408C - Saett vid uppslutning av cellulosahaltigt material - Google Patents

Saett vid uppslutning av cellulosahaltigt material Download PDF

Info

Publication number
FI64408C
FI64408C FI790983A FI790983A FI64408C FI 64408 C FI64408 C FI 64408C FI 790983 A FI790983 A FI 790983A FI 790983 A FI790983 A FI 790983A FI 64408 C FI64408 C FI 64408C
Authority
FI
Finland
Prior art keywords
chlorine dioxide
bleaching
sulfur
pulp
chlorine
Prior art date
Application number
FI790983A
Other languages
English (en)
Finnish (fi)
Other versions
FI790983A7 (fi
FI64408B (fi
Inventor
Per-Erik Andersson
Fall Erik Ingvar Eriksson
Original Assignee
Sca Development Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sca Development Ab filed Critical Sca Development Ab
Publication of FI790983A7 publication Critical patent/FI790983A7/fi
Application granted granted Critical
Publication of FI64408B publication Critical patent/FI64408B/fi
Publication of FI64408C publication Critical patent/FI64408C/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0035—Introduction of compounds, e.g. sodium sulfate, into the cycle in order to compensate for the losses of pulping agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/08—Chlorine-containing liquid regeneration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Treating Waste Gases (AREA)
FI790983A 1978-04-07 1979-03-22 Saett vid uppslutning av cellulosahaltigt material FI64408C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7803920 1978-04-07
SE7803920A SE411772B (sv) 1978-04-07 1978-04-07 Sett for minskning av utsleppen till recipient och atmosfer vid uppslutning av cellulosahaltigt material

Publications (3)

Publication Number Publication Date
FI790983A7 FI790983A7 (fi) 1979-10-08
FI64408B FI64408B (fi) 1983-07-29
FI64408C true FI64408C (fi) 1983-11-10

Family

ID=20334520

Family Applications (1)

Application Number Title Priority Date Filing Date
FI790983A FI64408C (fi) 1978-04-07 1979-03-22 Saett vid uppslutning av cellulosahaltigt material

Country Status (5)

Country Link
US (1) US4329199A (fr)
CA (1) CA1122360A (fr)
FI (1) FI64408C (fr)
SE (1) SE411772B (fr)
WO (1) WO1979000899A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4483740A (en) * 1983-08-03 1984-11-20 A. H. Lundberg Associates, Inc. Method for recovery of reusable chemicals from C102 generator effluent
FI77064C (fi) * 1985-04-29 1989-01-10 Tampella Oy Ab Foerfarande foer kokning och blekning av cellulosa.
US4668342A (en) * 1985-12-03 1987-05-26 Canadian Patents And Development Ltd. Recausticizing kraft green liquor
JPH01292196A (ja) * 1988-05-14 1989-11-24 Jujo Paper Co Ltd 故紙脱墨方法
FI82386C (fi) * 1989-05-31 1991-03-11 Inventio Oy Tvaostegskondensor.
FI85515C (fi) * 1990-07-09 1996-04-10 Ahlstroem Oy Foerfarande foer reglering av en sulfatcellulosafabriks sulfiditet
US5480512A (en) * 1990-07-09 1996-01-02 A. Ahlstrom Corporation Method of controlling sulfidity of a sulfate pulp mill
FI94266B (fi) * 1992-04-01 1995-04-28 Tampella Power Oy Menetelmä rikin talteenottamiseksi ja uudelleen käyttämiseksi sulfaatti sellutehtaassa
SE521847C2 (sv) * 2002-04-04 2003-12-09 Kemira Kemi Ab Sätt att behandla restsyra
FI116074B3 (fi) * 2003-04-03 2014-06-23 Kemira Oyj Rikin kierrätys sulfaattiselluprosessissa
FI123022B (fi) 2007-09-03 2012-10-15 Andritz Oy Menetelmä sellutehtaan hajukaasujen käsittelyssä
FI130066B (en) 2019-02-13 2023-01-31 Andritz Oy A method for replacing sodium losses in a pulp mill and a method for producing bleached cellulose pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895801A (en) * 1956-04-06 1959-07-21 Olin Mathieson Process for producing chlorine dioxide
AU473185B2 (en) * 1973-07-25 1976-06-17 Mooch Domsjo Aktiebolag A method for producing oxidized white liquor
US4098639A (en) * 1975-06-17 1978-07-04 Mo Och Domsjo Aktiebolag Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material
SE391357B (sv) * 1975-06-17 1977-02-14 Mo Och Domsjoe Ab Forfarande for minskning av behovet av ferska kemikalier vid uppslutning av cellulosahaltigt material med natrium- och svavelhaltiga losningar
FR2361883A2 (fr) * 1976-04-09 1978-03-17 Fabre Sa Pierre Amides de la pyrrolidino ethyl amine utilisables en therapeutique pulmonaire

Also Published As

Publication number Publication date
SE7803920L (sv) 1979-10-08
WO1979000899A1 (fr) 1979-11-15
US4329199A (en) 1982-05-11
FI790983A7 (fi) 1979-10-08
FI64408B (fi) 1983-07-29
CA1122360A (fr) 1982-04-27
SE411772B (sv) 1980-02-04

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SCA DEVELOPMENT AKTIEBOLAG